%%
%% This is file `gbt7714.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% gbt7714.dtx  (with options: `package')
%% -------------------------------------------------------------------
%% GB/T 7714 BibTeX Style
%% https://github.com/zepinglee/gbt7714-bibtex-style
%% Version: 2021/12/08 v2.1.3
%% -------------------------------------------------------------------
%% Copyright (C) 2016—2021 by Zeping Lee <zepinglee AT gmail.com>
%% -------------------------------------------------------------------
%% This file may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%% The latest version of this license is in
%%    https://www.latex-project.org/lppl.txt
%% and version 1.3c or later is part of all distributions of LaTeX
%% version 2008 or later.
%% -------------------------------------------------------------------
\NeedsTeXFormat{LaTeX2e}[1999/12/01]
\ProvidesPackage{gbt7714}
  [2021/12/08 v2.1.3 GB/T 7714 BibTeX Style]
\newif\ifgbt@legacy@interface
\newif\ifgbt@mmxv
\newif\ifgbt@numerical
\newif\ifgbt@super
\newcommand\gbt@obsolete@option[1]{%
  \PackageWarning{gbt7714}{The option "#1" is obsolete}%
}
\DeclareOption{2015}{%
  \gbt@obsolete@option{2015}%
  \gbt@legacy@interfacetrue
  \gbt@mmxvtrue
}
\DeclareOption{2005}{%
  \gbt@obsolete@option{2005}%
  \gbt@legacy@interfacetrue
  \gbt@mmxvfalse
}
\DeclareOption{super}{%
  \gbt@obsolete@option{super}%
  \gbt@legacy@interfacetrue
  \gbt@numericaltrue
  \gbt@supertrue
}
\DeclareOption{numbers}{%
  \gbt@obsolete@option{numbers}%
  \gbt@legacy@interfacetrue
  \gbt@numericaltrue
  \gbt@superfalse
}
\DeclareOption{authoryear}{%
  \gbt@obsolete@option{authoryear}%
  \gbt@legacy@interfacetrue
  \gbt@numericalfalse
}
\DeclareOption*{\PassOptionsToPackage{\CurrentOption}{natbib}}
\ProcessOptions\relax
\RequirePackage{natbib}
\RequirePackage{url}
\def\NAT@cmprs{\@ne}
\renewcommand\newblock{\space}
\newcommand\bibstyle@super{\bibpunct{[}{]}{,}{s}{,}{\textsuperscript{,}}}
\newcommand\bibstyle@numbers{\bibpunct{[}{]}{,}{n}{,}{,}}
\newcommand\bibstyle@authoryear{\bibpunct{(}{)}{;}{a}{,}{,}}
\newcommand\bibstyle@inline{\bibstyle@numbers}
\@namedef{bibstyle@gbt7714-numerical}{\bibstyle@super}
\@namedef{bibstyle@gbt7714-author-year}{\bibstyle@authoryear}
\@namedef{bibstyle@gbt7714-2005-numerical}{\bibstyle@super}
\@namedef{bibstyle@gbt7714-2005-author-year}{\bibstyle@authoryear}
\renewcommand\NAT@citesuper[3]{%
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    \if*#2*\else
      #2\NAT@spacechar
    \fi
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        #3%
      \fi
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    \kern\p@
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    #1%
  \fi
  \endgroup
}
\renewcommand\NAT@citenum[3]{%
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    \NAT@@open
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      #2\NAT@spacechar
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    #1%
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}
\def\NAT@citexnum[#1][#2]#3{%
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  \NAT@sort@cites{#3}%
  \NAT@reset@citea
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    \@for\@citeb:=\NAT@cite@list\do
    {\@safe@activestrue
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     \@safe@activesfalse
     \@ifundefined{b@\@citeb\@extra@b@citeb}{%
       {\reset@font\bfseries?}
        \NAT@citeundefined\PackageWarning{natbib}%
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     {\let\NAT@last@num\NAT@num\let\NAT@last@nm\NAT@nm
      \NAT@parse{\@citeb}%
      \ifNAT@longnames\@ifundefined{bv@\@citeb\@extra@b@citeb}{%
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        \global\@namedef{bv@\@citeb\@extra@b@citeb}{}}{}%
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        \let\NAT@nm\NAT@name\fi
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        \@citea
        \NAT@hyper@{\@ifnum{\NAT@ctype=\tw@}{\NAT@test{\NAT@ctype}}{\NAT@alias}}%
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          {\let\NAT@nm=\NAT@num}%
          {\def\NAT@nm{-2}}%
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         }{%
           \advance\@tempcnta by\@ne
           \@ifnum{\NAT@nm=\@tempcnta}{%
             % \ifx\NAT@last@yr\relax
             %   \def@NAT@last@yr{\@citea}%
             % \else
             %   \def@NAT@last@yr{--\NAT@penalty}%
             % \fi
             \def@NAT@last@yr{-\NAT@penalty}%
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       \NAT@def@citea
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        \ifcase\NAT@ctype
          \ifx\NAT@last@nm\NAT@nm \NAT@yrsep\NAT@penalty\NAT@space\else
            \@citea \NAT@test{\@ne}\NAT@spacechar\NAT@mbox{\NAT@super@kern\NAT@@open}%
          \fi
          \if*#1*\else#1\NAT@spacechar\fi
          \NAT@mbox{\NAT@hyper@{{\citenumfont{\NAT@num}}}}%
          \NAT@def@citea@box
        \or
          \NAT@hyper@citea@space{\NAT@test{\NAT@ctype}}%
        \or
          \NAT@hyper@citea@space{\NAT@test{\NAT@ctype}}%
        \or
          \NAT@hyper@citea@space\NAT@alias
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      \@ifnum{\NAT@cmprs>\z@}{\NAT@last@yr}{}%
      \ifNAT@swa\else
        % \@ifnum{\NAT@ctype=\z@}{%
        %   \if*#2*\else\NAT@cmt#2\fi
        % }{}%
        \NAT@mbox{\NAT@@close}%
        \@ifnum{\NAT@ctype=\z@}{%
          \if*#2*\else
            \textsuperscript{#2}%
          \fi
        }{}%
        \NAT@super@kern
      \fi
  }{#1}{#2}%
}%
\renewcommand\NAT@cite%
    [3]{\ifNAT@swa\NAT@@open\if*#2*\else#2\NAT@spacechar\fi
        #1\NAT@@close\if*#3*\else\textsuperscript{#3}\fi\else#1\fi\endgroup}
\def\NAT@citex%
  [#1][#2]#3{%
  \NAT@reset@parser
  \NAT@sort@cites{#3}%
  \NAT@reset@citea
  \@cite{\let\NAT@nm\@empty\let\NAT@year\@empty
    \@for\@citeb:=\NAT@cite@list\do
    {\@safe@activestrue
     \edef\@citeb{\expandafter\@firstofone\@citeb\@empty}%
     \@safe@activesfalse
     \@ifundefined{b@\@citeb\@extra@b@citeb}{\@citea%
       {\reset@font\bfseries ?}\NAT@citeundefined
                 \PackageWarning{natbib}%
       {Citation `\@citeb' on page \thepage \space undefined}\def\NAT@date{}}%
     {\let\NAT@last@nm=\NAT@nm\let\NAT@last@yr=\NAT@year
      \NAT@parse{\@citeb}%
      \ifNAT@longnames\@ifundefined{bv@\@citeb\@extra@b@citeb}{%
        \let\NAT@name=\NAT@all@names
        \global\@namedef{bv@\@citeb\@extra@b@citeb}{}}{}%
      \fi
     \ifNAT@full\let\NAT@nm\NAT@all@names\else
       \let\NAT@nm\NAT@name\fi
     \ifNAT@swa\ifcase\NAT@ctype
       \if\relax\NAT@date\relax
         \@citea\NAT@hyper@{\NAT@nmfmt{\NAT@nm}\NAT@date}%
       \else
         \ifx\NAT@last@nm\NAT@nm\NAT@yrsep
            \ifx\NAT@last@yr\NAT@year
              \def\NAT@temp{{?}}%
              \ifx\NAT@temp\NAT@exlab\PackageWarningNoLine{natbib}%
               {Multiple citation on page \thepage: same authors and
               year\MessageBreak without distinguishing extra
               letter,\MessageBreak appears as question mark}\fi
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            \else\unskip\NAT@spacechar
              \NAT@hyper@{\NAT@date}%
            \fi
         \else
           \@citea\NAT@hyper@{%
             \NAT@nmfmt{\NAT@nm}%
             \hyper@natlinkbreak{%
               \NAT@aysep\NAT@spacechar}{\@citeb\@extra@b@citeb
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             \NAT@date
           }%
         \fi
       \fi
     \or\@citea\NAT@hyper@{\NAT@nmfmt{\NAT@nm}}%
     \or\@citea\NAT@hyper@{\NAT@date}%
     \or\@citea\NAT@hyper@{\NAT@alias}%
     \fi \NAT@def@citea
     \else
       \ifcase\NAT@ctype
        \if\relax\NAT@date\relax
          \@citea\NAT@hyper@{\NAT@nmfmt{\NAT@nm}}%
        \else
         \ifx\NAT@last@nm\NAT@nm\NAT@yrsep
            \ifx\NAT@last@yr\NAT@year
              \def\NAT@temp{{?}}%
              \ifx\NAT@temp\NAT@exlab\PackageWarningNoLine{natbib}%
               {Multiple citation on page \thepage: same authors and
               year\MessageBreak without distinguishing extra
               letter,\MessageBreak appears as question mark}\fi
              \NAT@hyper@{\NAT@exlab}%
            \else
              \unskip\NAT@spacechar
              \NAT@hyper@{\NAT@date}%
            \fi
         \else
           \@citea\NAT@hyper@{%
             \NAT@nmfmt{\NAT@nm}%
             \hyper@natlinkbreak{\NAT@spacechar\NAT@@open\if*#1*\else#1\NAT@spacechar\fi}%
               {\@citeb\@extra@b@citeb}%
             \NAT@date
           }%
         \fi
        \fi
       \or\@citea\NAT@hyper@{\NAT@nmfmt{\NAT@nm}}%
       \or\@citea\NAT@hyper@{\NAT@date}%
       \or\@citea\NAT@hyper@{\NAT@alias}%
       \fi
       \if\relax\NAT@date\relax
         \NAT@def@citea
       \else
         \NAT@def@citea@close
       \fi
     \fi
     }}\ifNAT@swa\else
       % \if*#2*\else\NAT@cmt#2\fi
       \if\relax\NAT@date\relax\else\NAT@@close\fi
       \if*#2*\else\textsuperscript{#2}\fi
     \fi}{#1}{#2}}
\renewcommand\@biblabel[1]{[#1]\hfill}
\g@addto@macro\UrlBreaks{%
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  \do\A\do\B\do\C\do\D\do\E\do\F\do\G\do\H\do\I\do\J\do\K\do\L\do\M
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}
\Urlmuskip=0mu plus 0.1mu
\newif\ifgbt@bib@style@written
\@ifpackageloaded{chapterbib}{}{%
  \def\bibliography#1{%
    \ifgbt@bib@style@written\else
      \bibliographystyle{gbt7714-numerical}%
    \fi
    \if@filesw
      \immediate\write\@auxout{\string\bibdata{\zap@space#1 \@empty}}%
    \fi
    \@input@{\jobname.bbl}}
  \def\bibliographystyle#1{%
    \gbt@bib@style@writtentrue
    \ifx\@begindocumenthook\@undefined\else
      \expandafter\AtBeginDocument
    \fi
      {\if@filesw
        \immediate\write\@auxout{\string\bibstyle{#1}}%
      \fi}%
  }%
}
\ifgbt@legacy@interface
  \ifgbt@numerical
    \ifgbt@super\else
      \citestyle{numbers}
    \fi
    \bibliographystyle{gbt7714-numerical}
  \else
    \bibliographystyle{gbt7714-author-year}
  \fi
\fi
